GB2254810B - Method and apparatus for separating shapes of abrasive grains - Google Patents
Method and apparatus for separating shapes of abrasive grainsInfo
- Publication number
- GB2254810B GB2254810B GB9200852A GB9200852A GB2254810B GB 2254810 B GB2254810 B GB 2254810B GB 9200852 A GB9200852 A GB 9200852A GB 9200852 A GB9200852 A GB 9200852A GB 2254810 B GB2254810 B GB 2254810B
- Authority
- GB
- United Kingdom
- Prior art keywords
- abrasive grains
- shapes
- separating
- separating shapes
- abrasive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000006061 abrasive grain Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/12—Separators with material falling free
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/688,096 US5161696A (en) | 1991-04-19 | 1991-04-19 | Method and apparatus for separating shapes of abrasive grains |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9200852D0 GB9200852D0 (en) | 1992-03-11 |
GB2254810A GB2254810A (en) | 1992-10-21 |
GB2254810B true GB2254810B (en) | 1995-01-11 |
Family
ID=24763097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9200852A Expired - Fee Related GB2254810B (en) | 1991-04-19 | 1992-01-15 | Method and apparatus for separating shapes of abrasive grains |
Country Status (3)
Country | Link |
---|---|
US (1) | US5161696A (en) |
CA (1) | CA2059329C (en) |
GB (1) | GB2254810B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY139225A (en) * | 1998-02-26 | 2009-08-28 | Anglo Operations Ltd | Method and apparatus for separating particles |
US6359246B1 (en) * | 1998-08-19 | 2002-03-19 | F. B. Lehmann Maschinenfabrik Gmbh | Process and device for separating broken beans and shells |
US6329623B1 (en) * | 2000-06-23 | 2001-12-11 | Outokumpu Oyj | Electrostatic separation apparatus and method using box-shaped electrodes |
US6797908B2 (en) * | 2002-04-10 | 2004-09-28 | Outokumpu Oyj | High-tension electrostatic classifier and separator, and associated method |
US7045734B2 (en) * | 2003-11-21 | 2006-05-16 | Outokumpu Oyj | Spark induction power conditioner for high tension physical separators |
US7648933B2 (en) | 2006-01-13 | 2010-01-19 | Dynamic Abrasives Llc | Composition comprising spinel crystals, glass, and calcium iron silicate |
JP5669764B2 (en) * | 2009-03-11 | 2015-02-18 | サンーゴバン アブレイシブズ,インコーポレイティド | Abrasive article comprising fused zirconia alumina abrasive grains having improved shape |
FR2943054B1 (en) * | 2009-03-11 | 2013-11-29 | Saint Gobain Ct Recherches | FROZEN ALUMINA-ZIRCONE GRAIN MIXTURE |
JP5534800B2 (en) * | 2009-12-24 | 2014-07-02 | 三菱電機株式会社 | Sorting device |
US8771801B2 (en) | 2011-02-16 | 2014-07-08 | 3M Innovative Properties Company | Electrostatic abrasive particle coating apparatus and method |
WO2019094506A1 (en) * | 2017-11-08 | 2019-05-16 | The Regents Of The University Of California | Metal borides and uses thereof |
CN108480053B (en) * | 2018-02-08 | 2020-05-05 | 中国矿业大学 | Automatic nonlinear electric field adjusting device for triboelectric separation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB737328A (en) * | 1953-03-27 | 1955-09-21 | R W Gunson Seeds Ltd | A method of, and apparatus for, sorting small articles |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US813063A (en) * | 1903-04-18 | 1906-02-20 | Henry M Sutton | Process of separating substances of different dielectric capacities. |
US924032A (en) * | 1906-03-17 | 1909-06-08 | Blake Mining & Milling Company | Electrostatic separating process. |
US2174681A (en) * | 1937-12-03 | 1939-10-03 | Rosenberg Bros & Co | Electrostatic separating apparatus |
US2217444A (en) * | 1938-04-06 | 1940-10-08 | Westinghouse Electric & Mfg Co | Method of and means for the manufacture of abrasive cloth |
US2217441A (en) * | 1939-03-04 | 1940-10-08 | Westinghouse Electric & Mfg Co | Quench chute for heat-treating furnaces |
US3256985A (en) * | 1961-12-04 | 1966-06-21 | Carpenter James Hall | Slotted cylindrical electrode electrostatic separator |
DE1174274B (en) * | 1962-11-15 | 1964-07-23 | Wintershall Ag | Electric free-fall separator with plate electrodes |
US3477568A (en) * | 1966-11-01 | 1969-11-11 | Xerox Corp | Electrostatic separation of round and nonround particles |
US3478494A (en) * | 1968-06-26 | 1969-11-18 | Gen Electric | Vortex-electrostatic separator |
US3625360A (en) * | 1969-05-19 | 1971-12-07 | Akad Wissenschaften Ddr | Electrostatic separation method and apparatus |
SU709174A1 (en) * | 1977-03-21 | 1980-01-15 | Всесоюзный Государственный Проектный И Научно-Исследовательский Институт "Гипронинеметаллоруд" | Electric separator |
US4247390A (en) * | 1978-10-23 | 1981-01-27 | Knoll Frank S | Method of separating vermiculite from the associated gangue |
SU784925A1 (en) * | 1979-02-26 | 1980-12-17 | Научно-исследовательский институт сельского хозяйства Северо-Востока им. Н.В.Рудницкого | Electric seed-cleaning machine |
SU977038A1 (en) * | 1981-03-23 | 1982-11-30 | Научно-Исследовательский Институт Сельского Хозяйства Северо-Востока Им.Н.В.Рудницкого Всесоюзной Ордена Ленина Академии Сельскохозяйственных Наук Им.В.И.Ленина | Chamber crown discharge electric separator |
DE3213399C2 (en) * | 1982-04-10 | 1984-01-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Electro separator for the separation of batches of differently chargeable particles |
DE3233528C1 (en) * | 1982-09-10 | 1984-04-12 | Kali Und Salz Ag, 3500 Kassel | Electrostatic free fall separator |
US4848041A (en) * | 1987-11-23 | 1989-07-18 | Minnesota Mining And Manufacturing Company | Abrasive grains in the shape of platelets |
US4943368A (en) * | 1988-11-15 | 1990-07-24 | Pittsburgh Mineral & Environmental Technology, Inc. | Nonmetallic abrasive blasting material recovery process including an electrostatic separation step |
-
1991
- 1991-04-19 US US07/688,096 patent/US5161696A/en not_active Expired - Fee Related
-
1992
- 1992-01-14 CA CA002059329A patent/CA2059329C/en not_active Expired - Fee Related
- 1992-01-15 GB GB9200852A patent/GB2254810B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB737328A (en) * | 1953-03-27 | 1955-09-21 | R W Gunson Seeds Ltd | A method of, and apparatus for, sorting small articles |
Also Published As
Publication number | Publication date |
---|---|
US5161696A (en) | 1992-11-10 |
GB2254810A (en) | 1992-10-21 |
CA2059329A1 (en) | 1992-10-20 |
CA2059329C (en) | 1999-03-23 |
GB9200852D0 (en) | 1992-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20100115 |